2x + 3y = 7 and x + y = 3? *

1) 7/2 - 3/2y,

2) 3-y, y

Step-by-step explanation:

See Image below for steps:)

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.